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Test Method: Plug trials. In the low-temperature conditions, the regulator voltage to 250V, switch three times, at intervals of not less than 8 seconds (an interval of 8 seconds is to be the capacitan ...

Chip silicon substrate electrode can be two kinds of contact methods, namely L exposure (Laterial-contact, the level of exposure) and the V exposure (Vertical-contact,[url=http://www.advertiseall.com/ ...

Since then: where: U is added to the transformer primary voltage, the input voltage; D is the duty cycle; is the switching frequency; for the transformer primary inductance. According to equation 2.2 ...

And the LED with temperature and hours of work change,[url=http://www.advertiseall.com/]Budweiser sign, change curve shown in Figure 1.2. Figure 1.2 The relative change of the temperature curve can be ...

Therefore, LED dimming, to get transferred to a fixed brightness LED, it is necessary to ensure a fixed, constant current control to be used is to say. There is another way: constant power control. It ...

Test Method 1: the lamp connected to rated voltage 220V, allowed to work, start working down the time until each lamp is damaged, note the time of termination, when all the lights damage, find the ave ...

Normal indoor shooting, the shutter open time is about 1 / 200 1 / 60 seconds, so in order to capture the ideal image, the data requirements of the screen refresh rate must be above 1,000 Hz, but the ...

BCD is not currently the DC / DCLED lighting driver into the market, but take the positive side of learning by doing technical reserves observation strategy. Our DC / DCLED application of one of the l ...

And a long time, this technology R & D, manufacturing, marketing, as one of the private high-tech enterprises have been in the green manufacturing, green energy and energy-saving environmental pro ...

LED mergers among enterprises is rare. Little LED on the market today and among enterprises? Cases, companies were basically on its own scale. Relative to the market, thousands of enterprises, between ...

ilicon carbide: SiC as a substrate material second only to the extent of the application of sapphire, there is no third GaNLED substrate for commercial production. SiC substrates have good chemical st ...

These three substrates comprehensive performance comparison shown in Table 1. In addition to these three common substrate materials, there GaAS,[url=http://www.advertiseall.com/]vinyl banner, AlN, ZnO ...

To prepare the color temperature 2700-3500K, luminous flux greater than 82lm, while higher color rendering index Ra of 80, individuals that need to do the following: (1) accurate measurement of phosph ...

Test Method: Plug trials. In the low-temperature conditions, the regulator voltage to 250V, switch three times, at intervals of not less than 8 seconds (an interval of 8 seconds is to be the capacitan ...

LED mergers among enterprises is rare. Little LED on the market today and among enterprises? Cases, companies were basically on its own scale. Relative to the market, thousands of enterprises, between ...